Finding the Fourth Proportional to 11,335,284.18, 15,642,715.95 and 7,417,727.55
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Solution
The fourth proportional to 11,335,284.18, 15,642,715.95 and 7,417,727.55 is: 10,236,479.58
Step by Step Solution
- Step 1: Write the proportion equation
11,335,284.18 : 15,642,715.95 = 7,417,727.55 : x - Step 2: Convert to fraction form
11,335,284.18/15,642,715.95 = 7,417,727.55/x - Step 3: Cross multiply
11,335,284.18x = 15,642,715.95 × 7,417,727.55 - Step 4: Simplify right side
11,335,284.18x = 116,033,405,059,139.41 - Step 5: Solve for x
x = 116,033,405,059,139.41/11,335,284.18 - Step 6: Final answer
x = 10,236,479.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.